42 Telecommunications, electronic communications and information technology services, namely, telecommunications technology services; telephony services; internet protocol and voice over internet protocol telephony services; internet protocol/multiprotocol label switching network services; enterprise solutions services; network operations services; planning, design, maintenance and management of information technology systems; management of information technology systems of others; monitoring of computer systems and network systems of others; virtual private network design, monitoring and support services; design, development, programming, installation, repair and maintenance of secure systems; troubleshooting services in the nature of diagnosing computer hardware and software problems